Question about Panasonic CT-36SX31 36" TV

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My Panasonic CT-36SX31 picture has an hour shape

The tv runs well, it has a clear crisp picture. The colors, tone and contrasts are great and the brightness is still perfect. But within the last few months the picture had bowed at the right and left sides so that it has an hour glass look. The bowing is semetrical and extends in a couple of inches in on both sides. I have tried some of the typical adjustments outlined in the service manual using the remote control and can not correct the problem. I have been told there might be something wrong with something to do with the "high voltage" or something with the "pin cushioning"? I am not sure what either of those things are or what relevance they would have. I am hoping to find a simple way of diagnosing the problem and perhaps purchasing a replacement part.

I know the tv is an older model, but I would like to continue to use it. I have access to panasonic parts and someone who knows his way around electronic equipment who will work on it if I can diagnose the problem. You may contact me via e-mail at ancient_breed

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Re: My Panasonic CT-36SX31 picture has an hour shape

Expert: Ja D
Date: 4/4/2008
Subject: panasonic ct-36 picture problem

QUESTION: The picture went to a funnel or hourglass shape and a single line of text apppears as three (1 blue 1 yellow 1 red )

ANSWER: George. Have not viewed this problem for a very long time. How old is your set? CT-36??-? what the rest of the model number. Could be the main AC line filter. They were known to go bad and give this symptom, but I'm talking 15 maybe 20 years.

---------- FOLLOW-UP ----------

QUESTION: James, The model is ct-36sx31 ,tau series + was purchased new in 2001.I unplugged the set for awhile trying to "reboot"it but that did not change anything.Thanks for any + all help.

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Well, the SX31 and TAU series chassis had some problems with a capacitor that creates pincushion symptoms. It is C832, a 220uF / 16Volt Capacitor. That would be the first thing to do and to replace. If not this we can dig deeper if you like. Let me know.

Posted on Aug 14, 2008

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Re: My Panasonic CT-36SX31 picture has an hour shape

Take a look around (say, within 12 feet of) the TV... anything that can generate an electrical field? Microwave... refridgerator... old school stereo speakers...

Pin cushioned is a term applied to a picture that's doing what you described. Adjustments to correct that are typically found in computer monitors.

I have an identical television to yours and that adjustment isn't available. You could try degausing, but I doubt that works.

Posted on Mar 18, 2008

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